It was only a matter of time before one of the most controversial periods for the royal family would hit our screens for the hit Netflix series.

For the fourth and most recent season of The Crown, we finally saw Princess Diana and Prince Charles' courtship played out.

This season is set during Margaret Thatcher’s reign as Prime Minister...

And sees rising star, Emma Corrin, step into the role of Lady Diana Spencer.

For many fans, this has been the season they've been waiting for...

But, quite predictably, it has stirred up a huge reaction, with many demanding the show to stick to "recognized facts" about who was actually responsible for Lady Di's death. Do you think Netflix will do it? Scroll on to find out more, and to hear what a royal commentator had to say on the matter...

Now, the rumors surrounding Charles and Diana's true relationship have been rife for decades.

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It's no secret that, behind the palace's closed doors, Charles and Diana were notoriously unhappy.

And it was also no secret that Charles himself wasn't the best husband...

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What with his alleged affair with Camilla Parker-Bowles, and all that very royal drama.

The pair announced their engagement in February 1981...

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But, during the broadcast, many remember Charles being oddly reluctant to say he was in love with Diana.

However, regardless of the tension between the pair, they married on 29th July 1981.

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The lavish ceremony was held at St. Paul's Cathedral and was watched by over 750 million people around the world.

Soon after, they welcomed a baby into the world.

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The couple announced their pregnancy just four months after tying the knot, and, on June 21st of 1982, they welcomed Prince William into the world. And not long after that, Diana fell pregnant again, with Prince Harry being born on September 15th, 1984.

Diana threw herself into motherhood.

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She had strong ideas about how she wanted her children to be raised, often giving them more freedom than traditional royal heirs. Lady Di was also known for her extensive charity work and breaking royal boundaries in order to do things her way, which is what gave her the name, the "People's Princess."

But on top of Diana's refusal to sacrifice her identity for the sake of her title...

Charles was in a long-standing affair with Camilla Parker-Bowles, a woman he had courted before he met Diana but was ultimately deemed as an "unfit match" for the future King of England by the Royal Family.

The dynamic between Diana and the rest of the royal family was certainly no easier, either.

Rumors about Queen Elizabeth's distaste for Diana had been rife for years, with sources claiming that she was even "jealous" of the attention Diana drew from the rest of the family.

So, many weren't surprised when the couple officially separated in 1992.

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Their divorce was finalized in 1996, though Diana continued with her public appearances and charity work right up until her tragic death in 1997.

But now, over twenty years later...

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Upset has once again risen thanks in no small part to the latest season of Netflix's Royal epic The Crown. 

Now, of course, the topic of Princess Diana is a sensitive one among many, who are still grieving her loss over 2 decades on.

So, when the highly anticipated fourth season hit screens this month, it was bound to stir up some controversy - bringing the story of Diana and Charles to a whole new audience.

In the series, it is strongly suggested that Charles carried out his affair with Camilla while still married to Diana...

And of course, it left audiences outraged - with many in disbelief at the way Diana was portrayed to have been treated.

Now, it's important to note the series is only based on fact...

And that some scenes have been fictionalized for entertainment purposes.

In fact, The Crown has been criticized in the past for deviating from fact.

As well as many pointing out that it re-arranges the timeline of key historical events, as well as including fabricated conversations and plotlines.

Whether the events that took place in the fourth season are true or not has been debated heavily since it dropped last month...

And now, Netflix has been urged to stick to "recognized facts" if it covers the car accident and Diana's tragic death in the next upcoming season.

Royal commentator, Richard Fitzwilliams, has spoken out out on the matter.

He fears producers could leave the royals feeling "hurt" if they cover the 1997 crash in the fifth season, and he urged them to ensure the seismic event is accurately portrayed if they decide to feature it.

The royal commentator doesn't have a lot of confidence in Netflix, it's easy to say.

Fitzwilliams told local media, "There is no doubt that personally – and I don't know whether it will be next series or the last series – I think it will be very hurtful." "I don't know the context in which this is going to be handled, but I can only say I don't have any confidence given what we have just seen in the fourth."

He then added:

"For anything as sensitive as that, naturally, the whole point is that we know what happened. Chased by paparazzi who were lower than vermin, a drink-driver crashed the Mercedes and they weren't wearing seat belts, tragically."

These tragic events have been repeatedly confirmed by royal officials and both the French and British governments.

"The whole point is that there are the recognized facts as to what happened and, if it is covered as I anticipate it would be, one would expect The Crown to stick to what I would call recognized facts."

Only time will tell to see how The Crown will portray Diana's heartbreaking death...

And, of course, only time will tell to see if they cover it at all.

For more on the royals...

Read on to check out some amazing unseen footage of a young Prince William and Princess Diana...